Subversion Repositories HelenOS

Rev

Rev 3022 | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3022 Rev 4055
1
/*
1
/*
2
 * Copyright (c) 2005 Josef Cejka
2
 * Copyright (c) 2005 Josef Cejka
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup ia32   
29
/** @addtogroup ia32
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
#ifndef KERN_ia32_MEMMAP_H_
35
#ifndef KERN_ia32_MEMMAP_H_
36
#define KERN_ia32_MEMMAP_H_
36
#define KERN_ia32_MEMMAP_H_
37
 
37
 
38
/* E820h memory range types - other values*/
38
/* E820h memory range types */
39
    /* Free memory */
-
 
40
#define MEMMAP_MEMORY_AVAILABLE 1
-
 
41
    /* Not available for OS */
-
 
42
#define MEMMAP_MEMORY_RESERVED  2 
-
 
43
    /* OS may use it after reading ACPI table */
-
 
44
#define MEMMAP_MEMORY_ACPI  3 
-
 
45
    /* Unusable, required to be saved and restored across an NVS sleep */
-
 
46
#define MEMMAP_MEMORY_NVS   4 
-
 
47
    /* Corrupted memory */
-
 
48
#define MEMMAP_MEMORY_UNUSABLE  5 
-
 
49
 
-
 
50
     /* size of one entry */
-
 
51
#define MEMMAP_E820_RECORD_SIZE 20 
-
 
52
    /* maximum entries */
-
 
53
#define MEMMAP_E820_MAX_RECORDS 32 
-
 
54
 
39
 
-
 
40
/* Free memory */
-
 
41
#define MEMMAP_MEMORY_AVAILABLE  1
-
 
42
 
-
 
43
/* Not available for OS */
-
 
44
#define MEMMAP_MEMORY_RESERVED   2
-
 
45
 
-
 
46
/* OS may use it after reading ACPI table */
-
 
47
#define MEMMAP_MEMORY_ACPI       3
-
 
48
 
-
 
49
/* Unusable, required to be saved and restored across an NVS sleep */
-
 
50
#define MEMMAP_MEMORY_NVS        4
-
 
51
 
-
 
52
/* Corrupted memory */
-
 
53
#define MEMMAP_MEMORY_UNUSABLE   5
-
 
54
 
-
 
55
/* Size of one entry */
-
 
56
#define MEMMAP_E820_RECORD_SIZE  20
-
 
57
 
-
 
58
/* Maximum entries */
-
 
59
#define MEMMAP_E820_MAX_RECORDS  32
55
 
60
 
56
#ifndef __ASM__
61
#ifndef __ASM__
57
 
62
 
58
#include <arch/types.h>
63
#include <arch/types.h>
59
 
64
 
60
typedef struct {
65
typedef struct {
61
    uint64_t base_address;
66
    uint64_t base_address;
62
    uint64_t size;
67
    uint64_t size;
63
    uint32_t type;
68
    uint32_t type;
64
} __attribute__ ((packed)) e820memmap_t;
69
} __attribute__ ((packed)) e820memmap_t;
65
 
70
 
66
extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS];
71
extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS];
67
extern uint8_t e820counter;
72
extern uint8_t e820counter;
68
 
73
 
69
#endif
74
#endif
70
 
75
 
71
#endif
76
#endif
72
 
77
 
73
/** @}
78
/** @}
74
 */
79
 */
75
 
80